Tower Heist, the new caper flick starring Eddie Murphy and Ben Stiller, may be hit or miss in terms of quality, but it's worth checking out because it's very of the moment. The movie, about a crew of thieves who attempt to steal back money lost from a Bernie Madoff-like white collar criminal, touches on potent anxieties in the economic downturn. Also, Peter Travers wants to know: What are Eddie Murphy's best and worst roles? Let him know in the comments below, on Twitter or via e-mail.